This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 9 |
| 4 | 11 |
| 5 | 15 |
| 6 | 33 |
| 7 | 77 |
| 8 | 93 |
| 9 | 107 |
| 10 | 117 |
| 11 | 143 |
| 12 | 149 |
| 13 | 177 |
| 14 | 209 |
| 15 | 221 |